18986526

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 26418834

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 1979, 3198, 3958, 4797, 5937, 9594, 11874, 17811, 25727, 35622, 51454, 77181, 81139, 154362, 162278, 231543, 243417, 463086, 486834, 730251, 1054807, 1460502, 2109614, 3164421, 6328842, 9493263, 18986526]

約数ペア:

[(1, 18986526), (2, 9493263), (3, 6328842), (6, 3164421), (9, 2109614), (13, 1460502), (18, 1054807), (26, 730251), (39, 486834), (41, 463086), (78, 243417), (82, 231543), (117, 162278), (123, 154362), (234, 81139), (246, 77181), (369, 51454), (533, 35622), (738, 25727), (1066, 17811), (1599, 11874), (1979, 9594), (3198, 5937), (3958, 4797)]